﻿using System;
using System.Data;

using System.Text;
using System.Data.SqlClient;

namespace Bus.Dal
{
	/// <summary>
	/// 数据访问类:tb_log
	/// </summary>
	public partial class tb_log
	{
		public tb_log()
		{}
		#region  Method

		/// <summary>
		/// 得到最大ID
		/// </summary>
		public int GetMaxId()
		{
		return DbHelperSQL.GetMaxID("logid", "tb_log"); 
		}

		/// <summary>
		/// 是否存在该记录
		/// </summary>
		public bool Exists(int logid)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) from tb_log");
			strSql.Append(" where logid=@logid");
			SqlParameter[] parameters = {
					new SqlParameter("@logid", SqlDbType.Int,4)
			};
			parameters[0].Value = logid;

			return DbHelperSQL.Exists(strSql.ToString(),parameters);
		}


		/// <summary>
		/// 增加一条数据
		/// </summary>
		public int Add(Bus.Model.LogModel model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("insert into tb_log(");
			strSql.Append("userid,customid,op,opdate,memo)");
			strSql.Append(" values (");
			strSql.Append("@userid,@customid,@op,@opdate,@memo)");
			strSql.Append(";select @@IDENTITY");
			SqlParameter[] parameters = {
					new SqlParameter("@userid", SqlDbType.Int,4),
					new SqlParameter("@customid", SqlDbType.Int,4),
					new SqlParameter("@op", SqlDbType.VarChar,8),
					new SqlParameter("@opdate", SqlDbType.DateTime),
					new SqlParameter("@memo", SqlDbType.VarChar,50)};
			parameters[0].Value = model.userid;
			parameters[1].Value = model.customid;
			parameters[2].Value = model.op;
			parameters[3].Value = model.opdate;
			parameters[4].Value = model.memo;

			object obj = DbHelperSQL.GetSingle(strSql.ToString(),parameters);
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 更新一条数据
		/// </summary>
		public bool Update(Bus.Model.LogModel model)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("update tb_log set ");
			strSql.Append("userid=@userid,");
			strSql.Append("customid=@customid,");
			strSql.Append("op=@op,");
			strSql.Append("opdate=@opdate,");
			strSql.Append("memo=@memo");
			strSql.Append(" where logid=@logid");
			SqlParameter[] parameters = {
					new SqlParameter("@userid", SqlDbType.Int,4),
					new SqlParameter("@customid", SqlDbType.Int,4),
					new SqlParameter("@op", SqlDbType.VarChar,8),
					new SqlParameter("@opdate", SqlDbType.DateTime),
					new SqlParameter("@memo", SqlDbType.VarChar,50),
					new SqlParameter("@logid", SqlDbType.Int,4)};
			parameters[0].Value = model.userid;
			parameters[1].Value = model.customid;
			parameters[2].Value = model.op;
			parameters[3].Value = model.opdate;
			parameters[4].Value = model.memo;
			parameters[5].Value = model.logid;
            
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
            
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}

		/// <summary>
		/// 删除一条数据
		/// </summary>
		public bool Delete(int logid)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from tb_log ");
			strSql.Append(" where logid=@logid");
			SqlParameter[] parameters = {
					new SqlParameter("@logid", SqlDbType.Int,4)
			};
			parameters[0].Value = logid;

			int rows=DbHelperSQL.ExecuteSql(strSql.ToString(),parameters);
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}
		/// <summary>
		/// 批量删除数据
		/// </summary>
		public bool DeleteList(string logidlist )
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("delete from tb_log ");
			strSql.Append(" where logid in ("+logidlist + ")  ");
			int rows=DbHelperSQL.ExecuteSql(strSql.ToString());
			if (rows > 0)
			{
				return true;
			}
			else
			{
				return false;
			}
		}


		/// <summary>
		/// 得到一个对象实体
		/// </summary>
		public Bus.Model.LogModel GetModel(int logid)
		{
			
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select  top 1 logid,userid,customid,op,opdate,memo from tb_log ");
			strSql.Append(" where logid=@logid");
			SqlParameter[] parameters = {
					new SqlParameter("@logid", SqlDbType.Int,4)
			};
			parameters[0].Value = logid;

			Bus.Model.LogModel model=new Bus.Model.LogModel();
			DataSet ds=DbHelperSQL.Query(strSql.ToString(),parameters);
			if(ds.Tables[0].Rows.Count>0)
			{
				if(ds.Tables[0].Rows[0]["logid"]!=null && ds.Tables[0].Rows[0]["logid"].ToString()!="")
				{
					model.logid=int.Parse(ds.Tables[0].Rows[0]["logid"].ToString());
				}
				if(ds.Tables[0].Rows[0]["userid"]!=null && ds.Tables[0].Rows[0]["userid"].ToString()!="")
				{
					model.userid=int.Parse(ds.Tables[0].Rows[0]["userid"].ToString());
				}
				if(ds.Tables[0].Rows[0]["customid"]!=null && ds.Tables[0].Rows[0]["customid"].ToString()!="")
				{
					model.customid=int.Parse(ds.Tables[0].Rows[0]["customid"].ToString());
				}
				if(ds.Tables[0].Rows[0]["op"]!=null && ds.Tables[0].Rows[0]["op"].ToString()!="")
				{
					model.op=ds.Tables[0].Rows[0]["op"].ToString();
				}
				if(ds.Tables[0].Rows[0]["opdate"]!=null && ds.Tables[0].Rows[0]["opdate"].ToString()!="")
				{
					model.opdate=DateTime.Parse(ds.Tables[0].Rows[0]["opdate"].ToString());
				}
				if(ds.Tables[0].Rows[0]["memo"]!=null && ds.Tables[0].Rows[0]["memo"].ToString()!="")
				{
					model.memo=ds.Tables[0].Rows[0]["memo"].ToString();
				}
				return model;
			}
			else
			{
				return null;
			}
		}

		/// <summary>
		/// 获得数据列表
		/// </summary>
		public DataSet GetList(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select logid,userid,customid,op,opdate,memo ");
			strSql.Append(" FROM tb_log ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获得前几行数据
		/// </summary>
		public DataSet GetList(int Top,string strWhere,string filedOrder)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select ");
			if(Top>0)
			{
				strSql.Append(" top "+Top.ToString());
			}
			strSql.Append(" logid,userid,customid,op,opdate,memo ");
			strSql.Append(" FROM tb_log ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			strSql.Append(" order by " + filedOrder);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/// <summary>
		/// 获取记录总数
		/// </summary>
		public int GetRecordCount(string strWhere)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("select count(1) FROM tb_log ");
			if(strWhere.Trim()!="")
			{
				strSql.Append(" where "+strWhere);
			}
			object obj = DbHelperSQL.GetSingle(strSql.ToString());
			if (obj == null)
			{
				return 0;
			}
			else
			{
				return Convert.ToInt32(obj);
			}
		}
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetListByPage(string strWhere, string orderby, int startIndex, int endIndex)
		{
			StringBuilder strSql=new StringBuilder();
			strSql.Append("SELECT * FROM ( ");
			strSql.Append(" SELECT ROW_NUMBER() OVER (");
			if (!string.IsNullOrEmpty(orderby.Trim()))
			{
				strSql.Append("order by T." + orderby );
			}
			else
			{
				strSql.Append("order by T.logid desc");
			}
			strSql.Append(")AS Row, T.*  from tb_log T ");
			if (!string.IsNullOrEmpty(strWhere.Trim()))
			{
				strSql.Append(" WHERE " + strWhere);
			}
			strSql.Append(" ) TT");
			strSql.AppendFormat(" WHERE TT.Row between {0} and {1}", startIndex, endIndex);
			return DbHelperSQL.Query(strSql.ToString());
		}

		/*
		/// <summary>
		/// 分页获取数据列表
		/// </summary>
		public DataSet GetList(int PageSize,int PageIndex,string strWhere)
		{
			SqlParameter[] parameters = {
					new SqlParameter("@tblName", SqlDbType.VarChar, 255),
					new SqlParameter("@fldName", SqlDbType.VarChar, 255),
					new SqlParameter("@PageSize", SqlDbType.Int),
					new SqlParameter("@PageIndex", SqlDbType.Int),
					new SqlParameter("@IsReCount", SqlDbType.Bit),
					new SqlParameter("@OrderType", SqlDbType.Bit),
					new SqlParameter("@strWhere", SqlDbType.VarChar,1000),
					};
			parameters[0].Value = "tb_log";
			parameters[1].Value = "logid";
			parameters[2].Value = PageSize;
			parameters[3].Value = PageIndex;
			parameters[4].Value = 0;
			parameters[5].Value = 0;
			parameters[6].Value = strWhere;	
			return DbHelperSQL.RunProcedure("UP_GetRecordByPage",parameters,"ds");
		}*/

		#endregion  Method
	}
}

